NAICS 333131: This U.S. industry comprises establishments primarily engaged in (1) manufacturing underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, rock drills and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines.


  • Amalgamators (i.e., Metallurgical And Mining Machinery) Manufacturing
  • Augers, Mining-type, Manufacturing
  • Bits, Rock Drill, Underground Mining-type, Manufacturing
  • Breakers, Coal, Manufacturing
  • Cars, Mining, Manufacturing
  • Cleaning Machinery, Mining-type, Manufacturing

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